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FLASH GENE
Symbol WASF1 contributors: mct - updated : 05-09-2019
HGNC name WAS protein family, member 1
HGNC id 12732
PROTEIN
PHYSICAL PROPERTIES
STRUCTURE
motifs/domains
  • a N terminal leucine zipper motif and a highly basic region
  • a C terminal VCA region (verproline homology, cofilin homology and acidic region)
  • a WH2 domain, playing a role in filament nucleation by Arp2/3
  • conjugated PhosphoP
    HOMOLOGY
    interspecies homolog to rattus Wasf1 (97.5 pc)
    homolog to murine Wasf1 (98.4 pc)
    Homologene
    FAMILY
  • WAS protein family
  • CATEGORY regulatory , structural protein
    SUBCELLULAR LOCALIZATION     intracellular
    intracellular,cytoplasm,organelle,mitochondria,outer
    intracellular,cytoplasm,organelle,membrane
    intracellular,cytoplasm,organelle,Golgi
    intracellular,cytoplasm,cytoskeleton,microfilament
    text
  • present in dendrites, dendritic spines, and axonal growth cones
  • localizes to the outer mitochondrial membrane, where it has been shown to play a role in the trafficking of mitochondria to the dendritic spine
  • basic FUNCTION
  • regulator of actin reorganization downstream of RAC
  • required for membrane ruffling
  • a possible involvement in the pathogenesis of neuroblastoma
  • thought to be required for lamellipodium and ruffle formation in cells
  • playing a role with its associated proteins in the mid-piece of maturing sperm
  • required for activity-dependent mitochondrial trafficking to dendritic spines and filopodia
  • role for WASF1 as a critical modulator of the innate immune response to severe bacterial infections
  • WASF1 is a maternal reprogramming factor that also has a necessary role in gene activation in development
  • has unique activities independent of Arp2/3 complex that can govern both the growth rates and architectures of actin filament networks
  • playing a role in mitochondrial movement into dendritic protrusions
  • WAS and WASF1 may both be required to build pseudopods
  • plays a critical role in binding actin to initiate actin polymerization
  • CELLULAR PROCESS cell organization/biogenesis
    PHYSIOLOGICAL PROCESS
    text cell shape and cell-cycle control
    PATHWAY
    metabolism
    signaling
    a component
  • associating with the Arp2/3 complex, a nucleating core constituent for actin polymerization in vitro
  • INTERACTION
    DNA
    RNA
    small molecule
    protein
  • with arp2/3 (activated by the VCA region)
  • RAPH1 directly binds active RAC1, which regulates a direct interaction between RAPH1 and the WASF1 complex via ABI1
  • WASF1 interacts and colocalizes with APP in the Golgi apparatus
  • is a critical pro-autophagic protein capable of enhancing cell survival and regulating chemoresistance in leukemia cells potentially through the BECN1/BCL2 and BECN1/PI3K-&
  • 8546; complex-dependent pathways
  • NCKAP1 is a cell invasion promoter by binding to WASF1, but also a tumor suppress gene that modulates the cell cycle of hepatocellular carcinoma (HCC) cell lines by targeting RB1/TP53 regulation
  • cell & other
    REGULATION
    inhibited by phosphorylated at multiple sites by cyclin-dependent kinase 5 (Cdk5)
    ASSOCIATED DISORDERS
    corresponding disease(s) MRD59
    Susceptibility
    Variant & Polymorphism
    Candidate gene
    Marker
  • independent prognostic factor for epithelial ovarian cancer (EOC), which suggests that it is a novel and crucial predictor for EOC metastasis
  • Therapy target
    ANIMAL & CELL MODELS